When Alice saw a ______ tiger in front of her, she felt that she was ______.

A．dangerous; in danger

B．in danger; dangerous

C．dangerous; dangerous

D．in danger; in danger

某公司拟实施某项技术改造项目，预计需要新投资5000万元，拆除旧厂房设备将损失400万元，而这些厂房设备的残值为50万元，则该项目的总投资为（）万元（）

A.4550

B.4650

C.5350

D.5450